Sam decides to build a square garden. if the area of the garden is 4x2 + 28x + 49 square feet, what is the length of one side of the garden?

a. (2x + 7) feet
b. (7x + 2) feet
c . (2x − 7) feet
d. (7x − 2) feet

Anyone know? will mark brainliest if correct!

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.